Symanzik improvement of lattice QCD with four flavors of Wilson quarks
classification
✦ hep-lat
keywords
betaflavorsfourimprovementquarkswilsonacceptableaction
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We have determined the non-perturbative O(a)-improvement coefficient c_sw for four flavors of Wilson quarks with the plaquette gauge action in a range of beta >= 5. The data are fitted with several Pade approximation formulae to get an impression of the stability. A small extrapolation below beta=5 seems acceptable.
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